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Utilising solution processed zirconium acetylacetonate as an electron extracting layer in both regular and inverted small molecule organic photovoltaic cells
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Hancox, Ian, New, Edward G. and Jones, T. S. (Tim S.) (2015) Utilising solution processed zirconium acetylacetonate as an electron extracting layer in both regular and inverted small molecule organic photovoltaic cells. Organic Electronics, Volume 23 . pp. 105-109. doi:10.1016/j.orgel.2015.04.019 ISSN 1566-1199.
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Official URL: http://dx.doi.org/10.1016/j.orgel.2015.04.019
Abstract
Interfacial layers are commonly employed in organic photovoltaic (OPV) cells in order to improve device performance. These layers must be transparent, stable, be compatible with the photo-active materials and provide efficient charge extraction with a good energetic match to the relevant organic material. In this report we demonstrate the compatibility of zirconium acetylacetonate (ZrAcac) electron extracting layers in both regular and inverted small molecule OPV cells. When the ZrAcac was processed in both air and under N2, low work function (3.9 and 3.7 eV respectively), highly transparent layers were formed, with good energetic alignment to both C60 and hexachlorinated boron subphthalocyanine chloride (Cl6-SubPc) acceptors. Initial measurements indicate similar stabilities when using the ZrAcac in either device architecture. These results indicate that the ZrAcac layer can be used as a direct replacement for the commonly used bathocuproine (BCP) in small molecule OPV cells.
| Item Type: | Journal Article | ||||||||||
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| Subjects: | Q Science > QD Chemistry | ||||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||||||||
| Library of Congress Subject Headings (LCSH): | Photovoltaic power generation, Organozirconium compounds | ||||||||||
| Journal or Publication Title: | Organic Electronics | ||||||||||
| Publisher: | Elsevier | ||||||||||
| ISSN: | 1566-1199 | ||||||||||
| Official Date: | August 2015 | ||||||||||
| Dates: |
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| Volume: | Volume 23 | ||||||||||
| Number of Pages: | 5 | ||||||||||
| Page Range: | pp. 105-109 | ||||||||||
| DOI: | 10.1016/j.orgel.2015.04.019 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||||
| Date of first compliant deposit: | 29 December 2015 | ||||||||||
| Date of first compliant Open Access: | 29 December 2015 | ||||||||||
| Funder: | TSB Bank (Great Britain), Engineering and Physical Sciences Research Council (EPSRC) | ||||||||||
| Grant number: | 100900 (TSB), EP/J500057/1 (EPSRC) |
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